Solar cell



FIG. 1 is a top perspective view of a solar cell showing our new design;

FIG. 2 is an enlarged fragmental view taken from the designated area in FIG. 1;

FIG. 3 is a top plan view of the solar cell of FIG. 1;

FIG. 4 is a rear side elevation view of the solar cell of FIG. 1;

FIG. 5 is a front side elevation view of the solar cell of FIG. 1;

FIG. 6 is a left side elevation view of the solar cell of FIG. 1;

FIG. 7 is a right side elevation view of the solar cell of FIG. 1; and,

FIG. 8 is a bottom plan view of the solar cell of FIG. 1.

The broken line boundaries shown in FIGS. 1 and 2 represent unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a solar cell, as shown and described. 